Probably soft glass and not compatable. That being said, buy one and play with it. Bring it up to around 960f (above shock point for both types) grab it with a tool and introduce
it slowly to the fire. Punty up to it and pull a rod. Apply some to a boro rod. Anneal and
see what happens.
__________________
Brian
"Comrades! We must abolish the cult of the individual decisively, once and for all." [Nikita Khrushchev , February 25, 1956 20th Congress of the Communist Party]
"We must stop thinking of the individual and start thinking about what is best for society." [Hillary Clinton, 1993]
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